- Laboratories Medical, Billerica
- Land Surveyor, Billerica - Land Surveying Services
- Landscape Contractors & Designers, Billerica
- Landscape Design & Installation, Billerica
- Landscaping, Billerica
- Laser Hair Removal, Billerica
- Late Night Restaurants, Billerica
- Laundromats & Dry-Cleaning, Coin-Operated, Billerica
- Laundry Self Service, Billerica
- Lawn & Garden Equipment & Supplies, Billerica
- Lawn & Garden Services, Billerica
- Lawn & Garden Sprinkler Systems, Billerica
- Lawn Maintenance Services, Billerica
|
- Lawn Mowers & Power Equipment, Billerica
- Lawyers & Attorneys, Billerica
- Legal Professionals, Billerica
- Libraries, Billerica
- Lighting Fixtures & Equipment, Billerica
- Limousine Service, Billerica
- Liquor Stores, Billerica
- Locks, Billerica
- Locksmiths, Billerica - Residence, Commercial, Safe & Auto Car Locksmith
- Locksmiths Equipment & Supplies, Billerica
- Lodging, Billerica
- Long Haul Trucking Companies, Billerica
|
